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9930943 = 113129123
BaseRepresentation
bin100101111000…
…100010111111
3200200112200201
4211320202333
510020242233
6552504331
7150261121
oct45704277
920615621
109930943
1156732a0
1233ab0a7
1320992c9
141467211
15d1277d
hex9788bf

9930943 has 8 divisors (see below), whose sum is σ = 11183616. Its totient is φ = 8736600.

The previous prime is 9930931. The next prime is 9930953. The reversal of 9930943 is 3490399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9930943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14221 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (1397952).

Almost surely, 29930943 is an apocalyptic number.

9930943 is a deficient number, since it is larger than the sum of its proper divisors (1252673).

9930943 is a wasteful number, since it uses less digits than its factorization.

9930943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9930943 is about 3151.3398737680. The cubic root of 9930943 is about 214.9463937022.

The spelling of 9930943 in words is "nine million, nine hundred thirty thousand, nine hundred forty-three".

Divisors: 1 11 31 341 29123 320353 902813 9930943